Finding the Fourth Proportional to 2,020,431.97, 2,787,829.01 and 1,193,640.17
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Solution
The fourth proportional to 2,020,431.97, 2,787,829.01 and 1,193,640.17 is: 1,647,006.54
Step by Step Solution
- Step 1: Write the proportion equation
2,020,431.97 : 2,787,829.01 = 1,193,640.17 : x - Step 2: Convert to fraction form
2,020,431.97/2,787,829.01 = 1,193,640.17/x - Step 3: Cross multiply
2,020,431.97x = 2,787,829.01 × 1,193,640.17 - Step 4: Simplify right side
2,020,431.97x = 3,327,664,677,996.14 - Step 5: Solve for x
x = 3,327,664,677,996.14/2,020,431.97 - Step 6: Final answer
x = 1,647,006.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.